[INFO] fetching crate alder-derive 0.2.3...
[INFO] checking alder-derive-0.2.3 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate alder-derive 0.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate alder-derive 0.2.3 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alder-derive 0.2.3
[INFO] finished tweaking crates.io crate alder-derive 0.2.3
[INFO] tweaked toml for crates.io crate alder-derive 0.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded darling v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1b99c7faa89a8b9d68c941beaa5661e5096d4d6db424d03b4ae38b8c99ef248
[INFO] running `Command { std: "docker" "start" "-a" "f1b99c7faa89a8b9d68c941beaa5661e5096d4d6db424d03b4ae38b8c99ef248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1b99c7faa89a8b9d68c941beaa5661e5096d4d6db424d03b4ae38b8c99ef248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b99c7faa89a8b9d68c941beaa5661e5096d4d6db424d03b4ae38b8c99ef248", kill_on_drop: false }`
[INFO] [stdout] f1b99c7faa89a8b9d68c941beaa5661e5096d4d6db424d03b4ae38b8c99ef248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587018554bd1cc8a2cc2ecea0fc33a46564c27b185aa8c71a1b5a4b7c5e1d61f
[INFO] running `Command { std: "docker" "start" "-a" "587018554bd1cc8a2cc2ecea0fc33a46564c27b185aa8c71a1b5a4b7c5e1d61f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]     Checking alder-derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> src/macro_ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct CstVariantReceiver {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 35 |     ident: syn::Ident,
[INFO] [stdout] 36 |     fields: ast::Fields<CstFieldReceiver>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CstVariantReceiver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/test_case.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestCase {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> src/macro_ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct CstVariantReceiver {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 35 |     ident: syn::Ident,
[INFO] [stdout] 36 |     fields: ast::Fields<CstFieldReceiver>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CstVariantReceiver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/test_case.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestCase {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "587018554bd1cc8a2cc2ecea0fc33a46564c27b185aa8c71a1b5a4b7c5e1d61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587018554bd1cc8a2cc2ecea0fc33a46564c27b185aa8c71a1b5a4b7c5e1d61f", kill_on_drop: false }`
[INFO] [stdout] 587018554bd1cc8a2cc2ecea0fc33a46564c27b185aa8c71a1b5a4b7c5e1d61f
[INFO] checking alder-derive-0.2.3 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate alder-derive 0.2.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate alder-derive 0.2.3 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alder-derive 0.2.3
[INFO] finished tweaking crates.io crate alder-derive 0.2.3
[INFO] tweaked toml for crates.io crate alder-derive 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50e1e5a8107e7c0eabd61868991af49b8d257cec668ed6e75eac48aa29a862e2
[INFO] running `Command { std: "docker" "start" "-a" "50e1e5a8107e7c0eabd61868991af49b8d257cec668ed6e75eac48aa29a862e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e1e5a8107e7c0eabd61868991af49b8d257cec668ed6e75eac48aa29a862e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e1e5a8107e7c0eabd61868991af49b8d257cec668ed6e75eac48aa29a862e2", kill_on_drop: false }`
[INFO] [stdout] 50e1e5a8107e7c0eabd61868991af49b8d257cec668ed6e75eac48aa29a862e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ed86835c4c907096dec27dc5a834545347fc18cc9ab4bfde8dc6eeaa35671b
[INFO] running `Command { std: "docker" "start" "-a" "90ed86835c4c907096dec27dc5a834545347fc18cc9ab4bfde8dc6eeaa35671b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]     Checking alder-derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> src/macro_ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct CstVariantReceiver {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 35 |     ident: syn::Ident,
[INFO] [stdout] 36 |     fields: ast::Fields<CstFieldReceiver>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CstVariantReceiver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/test_case.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestCase {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]   --> src/macro_ast.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct CstVariantReceiver {
[INFO] [stdout]    |        ------------------ field in this struct
[INFO] [stdout] 35 |     ident: syn::Ident,
[INFO] [stdout] 36 |     fields: ast::Fields<CstFieldReceiver>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CstVariantReceiver` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/test_case.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TestCase {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 7 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TestCase` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "90ed86835c4c907096dec27dc5a834545347fc18cc9ab4bfde8dc6eeaa35671b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ed86835c4c907096dec27dc5a834545347fc18cc9ab4bfde8dc6eeaa35671b", kill_on_drop: false }`
[INFO] [stdout] 90ed86835c4c907096dec27dc5a834545347fc18cc9ab4bfde8dc6eeaa35671b
